A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5945-01-193-2436
NSN 6105-00-196-4957
NSN 6650-01-419-0286
NSN 6110-01-538-1848
NSN 5910-01-544-9244
NSN 6135-01-205-5965
NSN 6150-00-332-8332
NSN 5925-00-700-5637
NSN 6650-01-588-2173
NSN 6110-00-271-9928
NSN 6620-00-738-7836
NSN 6650-01-529-6721